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Disclosery

ALLIANCEBERNSTEIN L.P.: BKR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ALLIANCEBERNSTEIN L.P. on BKR, newest first. How the timeline and the estimate are built.

ALLIANCEBERNSTEIN L.P. held 3,156,887 BKR shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 3,156,887 shares
    Change vs previous 13F -431,667 shares

    0.06% of the 13F portfolio, value $192,727,951.

    13F-HR 0001109448-26-000261 filed by ALLIANCEBERNSTEIN L.P.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 3,588,554 shares
    Change vs previous 13F -2,581,781 shares

    0.05% of the 13F portfolio, value $163,422,749.

    13F-HR 0001109448-26-000101 filed by ALLIANCEBERNSTEIN L.P.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 6,170,335 shares
    Change vs previous 13F -106,397 shares

    0.09% of the 13F portfolio, value $280,997,056.

    13F-HR 0001109448-26-000021 filed by ALLIANCEBERNSTEIN L.P.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 6,276,732 shares
    Change vs previous 13F -3,770,710 shares

    0.1% of the 13F portfolio, value $305,802,383.

    13F-HR 0001109448-25-000079 filed by ALLIANCEBERNSTEIN L.P.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 10,047,442 shares
    Change vs previous 13F -20,602 shares

    0.13% of the 13F portfolio, value $385,218,926.

    13F-HR 0001532155-25-000161 filed by ALLIANCEBERNSTEIN L.P.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 10,068,044 shares
    Change vs previous 13F +376,654 shares

    0.16% of the 13F portfolio, value $442,490,534.

    13F-HR 0001532155-25-000116 filed by ALLIANCEBERNSTEIN L.P.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 9,691,390 shares
    Change vs previous 13F -342,536 shares

    0.13% of the 13F portfolio, value $397,540,818.

    13F-HR 0001532155-25-000050 filed by ALLIANCEBERNSTEIN L.P.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 10,033,926 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $362,726,425.

    13F-HR 0001532155-24-000162 filed by ALLIANCEBERNSTEIN L.P.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).